Group 1
What is the formula for chromate?
CrO42-
What bond is formed when electrons are shared?
covalent bond.
What is a valence electron?
Electrons that occupy the outer shell of an atom.
What is the formula for Sodium Chloride?
NaCl
What is a material that will not carry an electrical charge called?
An insulator.
Space vehicles, nuclear reactors, aircraft carriers.
What is transferred between atoms in an ionic bond?
Electrons.
What is the formula for ammonium nitrate?
NH4NO3
What is H2O?
Water
Roughly how long does it take for the sun’s light to reach Earth?
8 minutes.
How many is hepta?
7
What type of bond involves the unequal sharing of electrons?
Polar covalent bond.
What are the three subatomic particles?
Proton, Neutron, electron.
What is the formula for carbon dioxide?
CO2
Which freezes faster, hot water or cold water?
Hot water.
How many valence electrons does oxygen have?
6
What is the term for a bond formed by attractions between oppositely charged ions?
Ionic bond.
How many valence electrons does bromine have?
7
H2SO4 What does this compound make?
Sulfuric Acid
What is the only rock that floats?
Pumice. It forms from the froth at the top of lava flow, which cools very rapidly.
What is the ion charge for sulfur?
-2
What is the ionic symbol for titanium IV?
Ti4+
What is the formula for chromate?
CrO42-
What is the formula for calcium chloride?
CaCl2
What is the heaviest organ in the human body?
The liver.